842237920 has 48 divisors (see below), whose sum is σ = 2076308640. Its totient is φ = 322246144.

The previous prime is 842237863. The next prime is 842237933. The reversal of 842237920 is 29732248.

It is a super-3 number, since 3×842237920³ (a number of 28 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 842237920.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110755 + ... + 118114.

It is an arithmetic number, because the mean of its divisors is an integer number (43256430).

Almost surely, 2^842237920 is an apocalyptic number.

842237920 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

842237920 is an abundant number, since it is smaller than the sum of its proper divisors (1234070720).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

842237920 is a wasteful number, since it uses less digits than its factorization.

842237920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228907 (or 228899 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 842237920 is about 29021.3355998651. The cubic root of 842237920 is about 944.3759753926.

The spelling of 842237920 in words is "eight hundred forty-two million, two hundred thirty-seven thousand, nine hundred twenty".